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http://dx.doi.org/10.5532/KJAFM.2021.23.2.134

Direct and Diffuse Radiation Data in Naju During May 2019 to November 2020  

Kim, Hyunki (Department of Applied Plant Science, Chonnam National University)
Moon, Hyun-Dong (Department of Applied Plant Science, Chonnam National University)
Cho, Yuna (Department of Applied Plant Science, Chonnam National University)
Sin, Seo-Ho (Food Crop Research Center, Agricultural Research & Extension Services)
Kim, Jong-Hyeon (Soldan, Co., Ltd)
Lee, Yang-Won (Department of Spatial Information Engineering, Pukyong National University)
Cho, Jaeil (Department of Applied Plant Science, Chonnam National University)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.23, no.2, 2021 , pp. 134-140 More about this Journal
Abstract
Global solar radiation consists of direct and diffuse radiations. Both components are necessary for not only atmospheric science and solar energy domains but also agricultural applications. In this study, the data of direct and diffuse radiations are uploaded to Github. It was observed in Naju during May 2019 to November 2020. Using this data, the previous empirical equations using the relation between clearness index and diffuse ratio were validated. All coefficients of determination (R2) and RMSE were similar as 0.79~0.80 and 0.13~0.15. However, to get the lower RMSE, other non-linear approaches will be required with more observation data.
Keywords
Direct radiation; Diffuse radiation; Diffuse ratio; Extraterrestrial radiation; Clearness index; Global solar irradiance;
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